Joe, a user, reports that he does not have connectivity in WLAN. Which of the following is the FIRST approach a mobile technician should take for troubleshooting?
A. Use ICMP echo through ping
B. Check if DNS is providing name resolution
C. Use packet sniffer to investigate
D. Check if DHCP server is functioning
Which of the following protocols is preferred for VoIP communication?
A. MAC
B. UDP
C. TCP
D. NAT
Which of the following technologies is considered PAN?
A. HSPA+
B. Bluetooth
C. Edge
D. IR
Access points function at which of the following layers of the OSI model?
A. 2
B. 3
C. 4
D. 7
A user's mobile phone will not keep a charge. Which of the following troubleshooting steps should a technician take to assist the user? (Select TWO).
A. Check device backlight
B. Check the connector
C. Check operating system
D. Check cellular data
E. Check the power supply
Which of the following is the definition of jailbreak?
A. Locking down a device and disabling all applications
B. Bypassing OEM OS security controls
C. Wiping personal data and returning the device to factory settings
D. Theft of a device and use by an unauthorized user
Ann, a user, can no longer receive corporate email on her mobile device, but she has Internet access and can receive her web-based personal email. Which of the following is the MOST likely cause?
A. The device is having latency issues.
B. The mail client needs to be reinstalled.
C. The device is roaming.
D. The email server is down.
An MDM console works with which of the following layers of the OSI model?
A. Application
B. Session
C. Transport
D. Presentation
Joe, an employee, is unable to unlock his mobile device and has forgotten the device password. Which of the following is the BEST way to resolve this issue?
A. Replace the certificate
B. Reset the password
C. Perform a soft reset of the device
D. Perform a hard reset of the device
Which of the following application development methods delivers the BEST performance?
A. Hybrid
B. Native
C. Java
D. Web app
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